Cessna 1980 182Q Pilot's Operating Handbook And Flight Manual page 331

PILOT'S OPERATING HANDBOOK
SUPPLEMENT
27
CESSNA 400 NAV/COM
(TYPE RT-485A)
SECTION 4
NORMAL PROCEDURES
PRESETTING NAV/COM FREQUENCIES IN MEMORY:
1.
COM OFF/VOL CONTROL -- TURN ON; adjust to desired audio
level.
2. MEMORY 1 Pushbutton -- PRESS desired NA V or COM pushbut-
ton 1 momentarily to alert the memory bank of a forthcoming
frequency to be stored.
3. FREQUENCY SELECTORS --MANUALLY ROTATE correspond-
ing NA V or COM frequency selectors (press C pushbutton as
required to select the desired third fractional COM digit) until the
desired frequency is shown in the operating frequency readout
window. The frequency displayed will be automatically trans-
ferred into MEMORY
1.
NOTE
Do not press the C pushbutton more than about 2 seconds
while selecting fractional frequencies or you will activate
the MEMORY test function.
4. MEMORY 2 and 3 Pushbuttons -- REPEAT STEPS 2 and 3 using
next desired NAV or COM MEMORY to be stored. Up to 3 NAV and
3 COM frequencies may be stored for automatic recall frequency
selection.
NOTE
The operating frequency set in the selected MEMORY
position will automatically be changed in the MEMORY
bank any time the operating frequency is manually
changed.
COMMUNICATION RECEIVER-TRANSMITTER OPERATION:
1. COM OFF/VOL Control -- TURN ON.
2. XMTR SEL Switch (on audio control panel) -- SET to desired 400
Nav/Com.
3. SPEAKER/PHONE Selector Switches (on audio control panel)--
SET to desired mode.
4. COM Frequency Selection -- SELECT desired operating frequency
by either pressing a COM MEMORY 1. 2 or 3 pushbutton to recall a
preset frequency. or by manually selecting the desired operating
frequency using the COM frequency selectors and C pushbutton.
1 October 1979
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